1 . 阅读下面的文章，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

COVID-19 may not originate in China

Chinese top respiratory specialist Zhong Nanshan said although the COVID-19 first     1     (appear) in China, that does not necessarily mean it originated (起源) here, “but we can’t say that virus comes from abroad. The question could     2     (answer) by tracking down the source of the novel coronavirus and getting a result ”.

Analysts said Zhong’s words indicate the toughness of the battle against the coronavirus,     3     (especial) when the disease is spreading around the world but the source and transmission (传播) chain     4     (be) still not completely clear.

Yang Zhanqiu, a director of Wuhan University, said that the novel coronavirus might have multiple birthplaces co-existing around     5     globe. Due to the differences of climates, the virus in some places burst out     6     (early) than others. There are also possibilities that the novel coronavirus in Wuhan was from another source. The chains of transmission are     7    vital importance to contain the disease. Besides,     8     (know) the source of the virus will help with drug development.

Expert said that China’s moves of blocking cities     9     forbidding the trafficking (非法交易) of wildlife have helped narrow down the research into the transmission chain.

At a press conference on Thursday, Zhong praised the timely     10     (measure) taken by the Chinese government, which have successfully prevented a mass COVID-19’ outbreak in China.

2 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

For the past few years, online classes     1     (give) students an alternative (替代选择) for studying without going outside. How can we most     2     (effect) use this online resource for learning? Here are some tips from     3     (vary) online learning platforms to make the most of     4     (you) classes.

First, you need to be clear about     5     you’re most interested in, then find reliable sources. “The quality of online courses varies,” Li Mengdi, a head teacher with Xueersi said. “Choose extra classes after fully     6     (consider)your time and energy,” Li suggested. “I’ve seen many students or their parents choose more than three   courses to take   on     7     same day. It is overwhelming (难以应付的).”

Most online platforms can provide a personalized guide     8     students. “It is Finishing a to-do list that     9     (help) students to form good habits,” said Yang Zhengda, the CEO of vipJr. With enough self-discipline (自律), everything     10     you need to learn online should fall into place.

3 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

For many parents, making sure that their children get the right amount of sleep can be stressful. This is especially true during high-pressure times such as exams     1     students study all night for the next day.     2    (unfortunate), it is often counterproductive (适得其反的) because with fewer hours to sleep, the brain doesn’t get enough time to keep     3    they’ve studied the night before.

Poor sleep will have all sorts of negative effects on teenagers, including the rise in blood pressure, and     4    (patient) behaviors. Without enough sleep, the brain can no longer work     5    (deal) with information properly and use information already     6    (learn).

So, how can parents help? If you think your child needs more sleep, try making gradual adjustments to their sleeping habits. So far, studies     7    (show) improvements in changing sleep patterns. And remember your children are going through     8     period of time in their lives when their brains and bodies are going through a lot of     9    (change). Not only is your job to help make a difference, but it’s also to ride the wave with them. It may not be easy, but they will thank you     10     your help eventually.

4 . 语法填空

Valentine’s Day is known as a day of love and romanceon February 14th every year.

There are a few different versions of its origin and history, one of which dates back     1     an ancient Roman festival, Lupercalia,     2     (celebrate) on February 15th. On this day, young single women would place     3     (they) names in a huge container and young bachelors of the town would come and draw a name from it. The young man and the woman,     4     name was picked would become partners for the     5     (follow) years. Many of these couples would eventually get     6    (marry). It     7     (believe) that the month of February is perfect for romance.

Valentine’s Day was originally celebrated in Europe, but in recent years it is also celebrated in China,     8     (especial) among young people. Interestingly, China has its own Valentine’s Day, Qixi Festival, on the 7th day of the 7th month of our lunar calendar. It is in memory of a day on which the legendary cow-herder and weaving-maid     9     (allow) to be together, after being separated by the Milky Way for a whole year. What     10     interesting story!

5 . Directions: Read the following passage. Fill in the blanks to make the passage coherent. For the blanks with a given word, fill in each blank with the proper form of the given word. For the other blanks, fill in each blank with one proper word. Make sure that your answers are grammatically correct.

Special Days Around the World

Teacher’s Day

    1     people in many countries celebrate World Teachers’ Day on 5^th October, in Argentina it is on 11^th September— the anniversary of the death of former president, Domingo Faustino Sarmiento in 1888.    2     Samiento believed passionately in was the importance of education: he wrote ‘Schools are the very basis of civilization’. Children traditionally write poems for their teachers and give them an apple, make a cake or buy flowers. In Vietnam, Educators’ Day is in November. Many students visit their former teachers in their homes     3     (give) them presents, or give news about themselves. And at some schools in India, senior students become teachers, and teachers become students for the day!

World Book Day

In many countries, Book Day     4     (fall) on 23^rd April every year. It originated in Catalonia in 1923 when booksellers decided to honour the Spanish author Miguel de Cervantes who died on that day in 1616. In 1995, World Book Day became an international event,    5     (celebrate) reading and books. People exchange presents—usually a book and a rose. There are also events such as writing competitions, and in Madrid there is a public reading of Cervantes’s greatest work— Don Quijote —    6     lasts 48 hours! In the UK and Ireland, all schoolchildren receive a £1 book token（礼品券）, and many children now dress up as     7    favourite character from fiction!

Respect for the Aged Day

Grandparents’ Day is popular in many countries, but in Japan— a country where nearly 30 percent of the population are over 60 —older people    8     (treat) with special respect. The third Monday of September is ‘Respect for the Aged Day’, which became a national holiday in 1966. Everyone has a day     9     school or work and people organize celebrations for the older people of the village or community where they live. Young people dress up in traditional clothes. They sing and dance and there will be a meal specially     10    (prepare) for the older people. Nowadays, people also visit relatives and the older people in their families, for a three-day weekend.

6 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。请把答案写在答卷的相应位置。

A teacher gave his     1     (pupil) some sunflower seeds to let them learn to look after a plant. One boy in the class,     2     loved sunflower seeds, was very excited. He planted the seed and looked after it     3     great care for many days.

When the first shoot (嫩芽) finally appeared, the boy,     4    (fill) with impatience, went to see his teacher. The teacher said that he would still have to take care of the plant for quite some time     5     he was able to collect many seeds from just one sunflower. The boy was    6    (disappoint), but he kept     7     (look) after his sunflower.

However, he grew increasingly impatient, and did little else but pester (纠缠) his teacher for wanting to take out the plant. As soon as the boy saw the sunflower’s first seeds, he cut the plant. But the plant was still green, and of course the seeds couldn’t    8    (eat).

The boy was annoyed. He had put so much effort into     9     sunflower, but in the end he wasted it all for his impatience. And he was even    10     (angry) when he saw how big his classmates’ sunflowers grew. Finally, he decided not to be so impatient any more.

7 . 语法填空。
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Without proper planning, tourism can cause     1    (problem). For example, too many tourists can flow into public places     2    are also enjoyed by the natives of a country. If tourism create too much traffic, the local people will become     3    (happy). They begin to dislike tourists and to treat them     4    (impolite). They forget how much tourism can help the country’s economy.     5    is important to think about the people of a destination (目的地) country and how tourism influences     6    (they). Tourism should help     7    country keep its customs and its beauty should attract tourists. Besides, tourism should also increase the wealth and     8    (happy) of the locals.
Too much tourism can be a problem. If tourism     9    (grow) too quickly, people must leave other jobs     10    (work) in the tourism industry. This means that other parts of the country’s economy can suffer. On the other hand, if there is not enough tourism, people can lose jobs. Business can also lose money.